This RAM-2462U consists of a 1.5" rubber ball, connected to a 3.6" x 2.1" plate with a 35mm X 75mm VESA hole pattern.
THREAD PITCH
35mm X 75mm VESA hole pattern
BALL/SOCKET SIZE
C Size Ball : 3.81 cm (1.5") in diameter
MATERIALS
Marine-grade aluminium
PACKAGING TYPE
Poly Bag